本 vs 部 (běn vs bù): book classifiers – physical copy vs work
本 and 部 both classify books, but with a key difference. 本 (běn) counts physical volumes, such as individual copies of a book. 部 (bù) counts works as artistic or literary entities, such as a novel, film, or TV series. For example, a novel is one 本 as a physical object but one 部 as a literary work.
Both 本 (běn) and 部 (bù) can serve as classifiers for books and similar items, but they emphasize different aspects. 本 is used for physical, countable units like volumes, copies, or notebooks. 部 refers to the work as a whole unit of creation, such as a novel, play, film, or TV series. The choice depends on whether you're talking about the object or the artistic product.
When to use each
Use 本 for physical copies of books, such as novels, textbooks, or notebooks. It is the default classifier for any book you can hold, and also applies to magazines, dictionaries, and similar bound materials.
本 can also be used for certain bound items like a notebook (笔记本) or a comic book (漫画书), but not for unbound materials like loose papers.
Use 部 when referring to the work as a creative or intellectual entity, including novels, films, TV series, plays, or other artistic productions. It often appears with words like 小说, 电影, 电视剧, or 作品.
部 also classifies large machinery or equipment (一部机器), but in the context of books, it emphasizes the work itself, not the physical object.
At a glance
| 本 | 部 | |
|---|---|---|
| Primary focus | Physical volume / copy | Work / artistic unit |
| Typical nouns | 书, 小说, 课本, 词典, 本子 (any bound book) | 小说 (as work), 电影, 电视剧, 作品 |
| Example collocation | 一本中文书 (a Chinese book) | 一部小说 (a novel, the work) |
| Counts within a series | 本 counts each volume separately (三本小说 = three copies) | 部 counts the whole series (一部三部曲 = a trilogy, as one work) |
Examples
- 本我买了一本小说。Wǒ mǎi le yī běn xiǎoshuō.I bought a copy of a novel.Focus on the physical book.
- 部他写了一部小说。Tā xiě le yī bù xiǎoshuō.He wrote a novel (as a literary work).Refers to the work itself, not a specific copy.
- 本这本书是三部曲中的第一部。Zhè běn shū shì sān bù qǔ zhōng de dì yī bù.This book is the first volume of a trilogy.本 for the physical volume, 部 for the work (trilogy).
- 部那部电影很好看。Nà bù diànyǐng hěn hǎokàn.That film is very good.部 is standard for films.
- 本这本课本是新的。Zhè běn kèběn shì xīn de.This textbook is new.Textbooks are always counted with 本.
Common mistakes
- Using 部 for a physical book on a shelf (e.g., ✗ 一部书, should be 一本书).
- Using 本 for a film (e.g., ✗ 一本电影, should be 一部电影).
- Using 部 for notebooks (e.g., ✗ 一部笔记本, should be 一本笔记本).
- Assuming all books can use 部; only notable works (novels, monographs) typically use 部.
- Mixing up when counting volumes: 部 is rarely used for multiple physical copies; use 本 for that.
FAQ
- When do I use 本 vs 部 for a book?
- Use 本 for the physical book you can hold (e.g., '一本小说' = a copy of a novel). Use 部 for the literary or artistic work itself (e.g., '一部小说' = a novel as a piece of writing). If you buy a physical novel, you can say both, but '一本' emphasizes the object and '一部' emphasizes the creation.
- Can 部 be used for any book?
- No, 部 is reserved for substantial works like novels, plays, or academic monographs. For textbooks, notebooks, or simple booklets, always use 本.
- What about a series of books or a trilogy?
- Individual volumes are counted with 本 (e.g., 三本 = three volumes). The entire series as a work may be called 一部系列 (one series), but usually we say 一套书 (a set of books).
- Is 部 used for TV series too?
- Yes, 部 is the standard classifier for TV series, dramas, and films. For example, 一部电视剧 (a TV series), 一部纪录片 (a documentary).